Potter And Brumfield electrical components Germany Potter And Brumfield models Potter And Brumfield prices

Potter And Brumfield electrical components are parts of electronic components and small machines and instruments. They often consist of several parts and can be used interchangeably in similar products. The term often refers to certain parts in the electrical, radio, and instrumentation industries, and is a general term for electronic devices such as capacitors, transistors, hairsprings, and mainsprings. Common examples include diodes. Electronic components include: resistors, capacitors, inductors, potentiometers, electron tubes, heat sinks, electromechanical components, connectors, discrete semiconductor devices, electroacoustic devices, laser devices, electronic display devices, optoelectronic devices, sensors, power supplies, switches, micro special motors, electronic transformers, relays, printed circuit boards, integrated circuits, various circuits, piezoelectric materials, crystals, quartz, ceramic magnetic materials, substrate boards for printed circuits, special materials for electronic functional processes, electronic adhesive (tape) products, electronic chemical materials and parts, etc.

Potter And Brumfield electrical component principles

The absorption film irradiated by infrared rays is a thin film with low heat capacity and easy temperature rise. A cavity structure is located directly below the center of the backing plate. This design ensures a temperature difference between the cold end and the measuring end. The thermocouple consists of polysilicon and aluminum connected in series. When the temperature at the measuring end of each thermocouple rises, a thermoelectromotive force Vn is generated between the thermocouples, so the sum of their voltages can be obtained at the output terminal.

Potter And Brumfield electrical component characteristics

Under normal circumstances, the actual static characteristic output of a sensor is a curve rather than a straight line. In practical work, to enable the instrument to have uniformly scaled readings, a fitted straight line is often used to approximately represent the actual characteristic curve. Linearity (non-linear error) is a performance indicator of this degree of approximation. There are various methods for selecting the fitted straight line. For example, the theoretical straight line connecting the zero input and full-scale output points is used as the fitted straight line; or the theoretical straight line with the minimum sum of squared deviations from each point on the characteristic curve is used as the fitted straight line. This fitted straight line is called the least squares fitted straight line.

Potter And Brumfield electrical component classification

1. Fuse resistors: Also known as fusible resistors, they serve the dual function of a resistor and a fuse under normal conditions. When a circuit fault causes their power to exceed the rated power, they blow like a fuse to disconnect the circuit. Fuse resistors generally have low resistance values and low power ratings. 12. Sensitive resistors: These refer to resistors whose resistance values are sensitive to certain physical quantities (such as temperature, humidity, light, voltage, mechanical force, and gas concentration). When these physical quantities change, the resistance value of the sensitive resistor changes accordingly, presenting different resistance values. Based on sensitivity to different physical quantities, sensitive resistors can be classified into thermistors, humidity-sensitive resistors, photoresistors, varistors, force-sensitive resistors, magnetoresistors, and gas-sensitive resistors. The materials used for sensitive resistors are almost all semiconductor materials, so these resistors are also called semiconductor resistors. The resistance value of a thermistor changes with temperature. A negative temperature coefficient (NTC) thermistor has a resistance that decreases as temperature rises. NTC thermistors are widely used and can be further divided into standard NTC thermistors, voltage-stabilizing NTC thermistors, and temperature-measuring NTC thermistors. A photoresistor's resistance value changes with the intensity of incident light. When incident light increases, the resistance of the photoresistor decreases; when incident light weakens, the resistance value increases.

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